Boston Marathon logo
BOSTON MARATHON 2025

Joanne Lee

Bib: 16632•F

MD

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:06
Rank: #22614
Start → 5K
28:06 | 9:03/mi
10K· 6.21 mi
55:33
Rank: #22160 (+454)
5K → 10K
27:27 | 8:50/mi
15K· 9.32 mi
1:23:21
Rank: #22037 (+123)
10K → 15K
27:48 | 8:57/mi
20K· 12.43 mi
1:51:41
Rank: #21880 (+157)
15K → 20K
28:20 | 9:07/mi
Half· 13.11 mi
1:57:46
Rank: #21841 (+39)
20K → Half
6:05 | 8:55/mi
25K· 15.53 mi
2:20:13
Rank: #21679 (+162)
Half → 25K
22:27 | 9:16/mi
30K· 18.64 mi
2:50:29
Rank: #21524 (+155)
25K → 30K
30:16 | 9:45/mi
20M
3:03:37
Rank: #21376 (+148)
30K → 20M
13:08 | 9:40/mi
21M
3:13:42
Rank: #21226 (+150)
20M → 21M
10:05 | 10:05/mi
35K· 21.75 mi
3:20:46
Rank: #21168 (+58)
21M → 35K
7:04 | 9:27/mi
23M
3:32:35
Rank: #21001 (+167)
35K → 23M
11:49 | 9:26/mi
24M
3:41:53
Rank: #20919 (+82)
23M → 24M
9:18 | 9:18/mi
40K· 24.85 mi
3:49:38
Rank: #20773 (+146)
24M → 40K
7:45 | 9:04/mi
25.2M
3:53:01
Rank: #20712 (+61)
40K → 25.2M
3:23 | 9:49/mi
Finish· 26.22 mi
4:01:31
Rank: #20574 (+138)
25.2M → Finish
8:30 | 8:20/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:46
Pace8:59 /mi
2nd Half
Distance13.11 mi
Time2:03:45
Pace9:26 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:02:4628:069:0328:06
9:03
-
10K
6.21 mi11:30:1355:338:5627:27
8:50
-0:13
15K
9.32 mi11:58:011:23:218:5727:48
8:57
+0:07
20K
12.43 mi12:26:211:51:418:5928:20
9:07
+0:10
Half
13.11 mi12:32:261:57:468:596:05
8:55
-0:12
25K
15.53 mi12:54:532:20:139:0222:27
9:16
+0:21
30K
18.64 mi13:25:092:50:299:0930:16
9:45
+0:29
20M
20.00 mi13:38:173:03:379:1113:08
9:40
-0:05
21M
21.00 mi13:48:223:13:429:1310:05
10:05
+0:25
35K
21.75 mi13:55:263:20:469:147:04
9:27
-0:38
23M
23.00 mi14:07:153:32:359:1511:49
9:26
-0:01
24M
24.00 mi14:16:333:41:539:159:18
9:18
-0:08
40K
24.85 mi14:24:183:49:389:147:45
9:04
-0:14
25.2M
25.20 mi14:27:413:53:019:153:23
9:49
+0:45
Finish
26.22 mi14:36:114:01:319:138:30
8:20
-1:29

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

8:20 /mi

Average Pace

9:13 /mi

Slowest Pace

10:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:56

41% of race

Time at Steady Pace

1:26:43

36% of race

Time at Slower Pace

56:52

24% of race

Average Pace: 9:13 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:02:4628:069:0328:06
9:03
#22614
10K
6.21 mi11:30:1355:338:5627:27
8:50
#22160
15K
9.32 mi11:58:011:23:218:5727:48
8:57
#22037
20K
12.43 mi12:26:211:51:418:5928:20
9:07
#21880
Half
13.11 mi12:32:261:57:468:596:05
8:55
#21841
25K
15.53 mi12:54:532:20:139:0222:27
9:16
#21679
30K
18.64 mi13:25:092:50:299:0930:16
9:45
#21524
20M
20.00 mi13:38:173:03:379:1113:08
9:40
#21376
21M
21.00 mi13:48:223:13:429:1310:05
10:05
#21226
35K
21.75 mi13:55:263:20:469:147:04
9:27
#21168
23M
23.00 mi14:07:153:32:359:1511:49
9:26
#21001
24M
24.00 mi14:16:333:41:539:159:18
9:18
#20919
40K
24.85 mi14:24:183:49:389:147:45
9:04
#20773
25.2M
25.20 mi14:27:413:53:019:153:23
9:49
#20712
Finish
26.22 mi14:36:114:01:319:138:30
8:20
#20574
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi226148965896521797(Top 77%)8434(Top 69%)8434(Top 647%)
10K6.21 mi3.10 mi22160+4548703+2628703+26221577(Top 76%)8356(Top 68%)8356(Top 641%)
15K9.32 mi3.11 mi22037+1238620+838620+8321797(Top 77%)8434(Top 69%)8434(Top 647%)
20K12.43 mi3.11 mi21880+1578536+848536+8421554(Top 76%)8342(Top 68%)8342(Top 640%)
Half13.11 mi0.68 mi21841+398515+218515+2121489(Top 76%)8300(Top 68%)8300(Top 637%)
25K15.53 mi2.42 mi21679+1628430+858430+8521023(Top 74%)8111(Top 66%)8111(Top 622%)
30K18.64 mi3.11 mi21524+1558366+648366+6420820(Top 73%)8130(Top 66%)8130(Top 624%)
20M20.00 mi1.36 mi21376+1488311+558311+5519836(Top 70%)7694(Top 63%)7694(Top 590%)
21M21.00 mi1.00 mi21226+1508244+678244+6718635(Top 66%)7148(Top 58%)7148(Top 549%)
35K21.75 mi0.75 mi21168+588226+188226+1820160(Top 71%)8063(Top 66%)8063(Top 619%)
23M23.00 mi1.25 mi21001+1678162+648162+6418429(Top 65%)7203(Top 59%)7203(Top 553%)
24M24.00 mi1.00 mi20919+828135+278135+2718843(Top 66%)7468(Top 61%)7468(Top 573%)
40K24.85 mi0.85 mi20773+1468072+638072+6316730(Top 59%)6448(Top 53%)6448(Top 495%)
25.2M25.20 mi0.35 mi20712+618047+258047+2516250(Top 57%)6235(Top 51%)6235(Top 479%)
Finish26.22 mi1.02 mi20574+1387981+667981+6615241(Top 54%)5626(Top 46%)5626(Top 432%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21stories
+97ft-345ft

Overall

21797

Females

8434

F50-54

8434

5K→10K

3.1 - 6.2 mi

Top 76%
×5stories
+79ft-138ft

Overall

21577

Females

8356

F50-54

8356

10K→15K

6.2 - 9.3 mi

Top 77%
×3stories
+67ft-78ft

Overall

21797

Females

8434

F50-54

8434

15K→20K

9.3 - 12.4 mi

Top 76%
×5stories
+106ft-86ft

Overall

21554

Females

8342

F50-54

8342

20K→Half

12.4 - 13.1 mi

Top 76%
×2stories
+19ft-37ft

Overall

21489

Females

8300

F50-54

8300

Half→25K

13.1 - 15.5 mi

Top 74%
×4stories
+66ft-88ft

Overall

21023

Females

8111

F50-54

8111

25K→30K

15.5 - 18.6 mi

Top 73%
×9stories
+181ft-148ft

Overall

20820

Females

8130

F50-54

8130

30K→20M

18.6 - 20.0 mi

Top 70%
×5stories
+64ft-50ft

Overall

19836

Females

7694

F50-54

7694

20M→21M

20.0 - 21.0 mi

Top 66%
×8stories
+106ft-24ft

Overall

18635

Females

7148

F50-54

7148

21M→35K

21.0 - 21.8 mi

Top 71%
×7stories
+17ft-86ft

Overall

20160

Females

8063

F50-54

8063

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

18429

Females

7203

F50-54

7203

23M→24M

23.0 - 24.0 mi

Top 66%
×6stories
+12ft-82ft

Overall

18843

Females

7468

F50-54

7468

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16730

Females

6448

F50-54

6448

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

16250

Females

6235

F50-54

6235

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2stories
+22ft-21ft

Overall

15241

Females

5626

F50-54

5626

Passing Analysis

Category:
Athletes Passed
2669
Passed By
629
Net Change
+2040
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22614
5K → 10K55197+454#22614#22160
10K → 15K248125+123#22160#22037
15K → 20K259102+157#22037#21880
20K → Half5415+39#21880#21841
Half → 25K22159+162#21841#21679
25K → 30K272117+155#21679#21524
30K → 20M18032+148#21524#21376
20M → 21M16919+150#21376#21226
21M → 35K7921+58#21226#21168
35K → 23M18316+167#21168#21001
23M → 24M10018+82#21001#20919
24M → 40K1493+146#20919#20773
40K → 25.2M654+61#20773#20712
25.2M → Finish1391+138#20712#20574
TOTALS2669629+2040
📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing